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Other Expense (Income)
 6 Months Ended
Jun. 30, 2014
Other Income and Expenses [Abstract]  
Other Expense (Income)
Other expense (income) consists of:

 
Three Months Ended
June 30,
 
Six Months Ended
June 30,
($ in millions)
2014
 
2013
 
2014
 
2013
Development income
$
(0.5
)
 
$
(0.5
)
 
$
(0.9
)
 
$
(0.8
)
Acquisition-related contingencies
0.3

 
0.2

 
0.7

 
0.2

Foreign exchange and other
0.5

 
(0.5
)
 
1.2

 
—

 
$
0.3

 
$
(0.8
)
 
$
1.0

 
$
(0.6
)


During the three and six months ended June 30, 2014, we recognized development income of $0.5 million and $0.9 million, respectively, within our Pharmaceutical Delivery Systems segment ("Delivery Systems"), most of which related to a nonrefundable customer payment of $20.0 million received in June 2013 in return for the exclusive use of SmartDose within a specific therapeutic area. As of June 30, 2014, there was $18.2 million of unearned income related to this payment, of which $1.5 million was included in other current liabilities and $16.7 million was included in other long-term liabilities. The unearned income is being recognized as development income on a straight-line basis over the remaining term of the agreement. The agreement does not include a future minimum purchase commitment from the customer. During the three and six months ended June 30, 2013, we recorded development income of $0.5 million and $0.8 million, respectively, within Delivery Systems, of which $0.3 million related to the nonrefundable customer payment described above.

During the three months ended June 30, 2014, the SmartDose contingent consideration increased by $0.3 million due to the time value of money. During the six months ended June 30, 2014, we increased the SmartDose contingent consideration by $0.7 million due to the time value of money and changes made to sales projections during the first quarter of 2014. The change in the SmartDose contingent consideration during both the three and six months ended June 30, 2013 was $0.2 million due to the time value of money and adjustments related to changes in sales projections. These adjustments are included within Delivery Systems' results.